<template>
  <a-drawer
    :title="title"
    :width="drawerWidth"
    @close="handleCancel"
    :visible="visible"
    :confirmLoading="confirmLoading"
    :wrapStyle="{height: 'calc(100% - 108px)',overflow: 'auto',paddingBottom: '108px'}"
  >
    <div :style="{width: '100%',border: '1px solid #e9e9e9',padding: '10px 16px',background: '#fff',}">
      <a-spin :spinning="confirmLoading">
        <a-form :form="form">

          <a-form-item label="菜单类型" :labelCol="labelCol" :wrapperCol="wrapperCol">
            <a-radio-group @change="onChangeMenuType" v-decorator="['type',{'initialValue':localMenuType}]">
              <a-radio :value="0">一级菜单</a-radio>
              <a-radio :value="1">子菜单</a-radio>
              <a-radio :value="2">按钮/权限</a-radio>
            </a-radio-group>
          </a-form-item>

          <a-form-item
            :labelCol="labelCol"
            :wrapperCol="wrapperCol"
            :label="menuLabel"
            hasFeedback>
            <a-input placeholder="请输入菜单名称" v-decorator="[ 'name', validatorRules.name]" :readOnly="disableSubmit"/>
          </a-form-item>


          <a-form-item
            v-show="localMenuType!=0"
            label="上级菜单"
            :labelCol="labelCol"
            :wrapperCol="wrapperCol"
            :validate-status="validateStatus"
            :hasFeedback="true"
            :required="true">
            <span slot="help">{{ validateStatus=='error'?'请选择上级菜单':'&nbsp;&nbsp;' }}</span>
            <a-tree-select
              style="width:100%"
              :dropdownStyle="{ maxHeight: '200px', overflow: 'auto' }"
              :treeData="treeData"
              v-model="model.parentId"
              placeholder="请选择父级菜单"
              :disabled="disableSubmit"
              @change="handleParentIdChange">
            </a-tree-select>
          </a-form-item>

          <a-form-item
            v-show="show"
            :labelCol="labelCol"
            :wrapperCol="wrapperCol"
            label="菜单路径">
            <a-input placeholder="请输入菜单路径" v-decorator="[ 'path',validatorRules.path]" :readOnly="disableSubmit"/>
          </a-form-item>

          <a-form-item
            v-show="show"
            :labelCol="labelCol"
            :wrapperCol="wrapperCol"
            label="前端组件">
            <a-input placeholder="请输入前端组件" v-decorator="[ 'component',validatorRules.component]"
                     :readOnly="disableSubmit"/>
          </a-form-item>

          <a-form-item
            v-show="localMenuType==0"
            :labelCol="labelCol"
            :wrapperCol="wrapperCol"
            label="默认跳转地址">
            <a-input placeholder="请输入路由参数 redirect" v-model="model.redirect" :readOnly="disableSubmit"/>
          </a-form-item>

          <a-form-item
            v-show="!show"
            :labelCol="labelCol"
            :wrapperCol="wrapperCol"
            label="授权标识">
            <a-input placeholder="多个用逗号分隔, 如: user:list,user:create" v-decorator="[ 'perms', {}]"
                     :readOnly="disableSubmit"/>
          </a-form-item>

          <a-form-item
            v-show="show"
            :labelCol="labelCol"
            :wrapperCol="wrapperCol"
            label="菜单图标">
            <a-input placeholder="点击右侧按钮选择图标" v-model="model.icon" :readOnly="disableSubmit">
              <a-icon slot="addonAfter" type="setting" @click="selectIcons"/>
            </a-input>
          </a-form-item>

          <a-form-item
            v-show="show"
            :labelCol="labelCol"
            :wrapperCol="wrapperCol"
            label="排序">
            <a-input-number placeholder="请输入菜单排序" style="width: 200px" v-decorator="[ 'sort',validatorRules.sort]"
                            :readOnly="disableSubmit"/>
          </a-form-item>

          <a-form-item
            v-show="show"
            :labelCol="labelCol"
            :wrapperCol="wrapperCol"
            label="是否路由菜单">
            <a-switch checkedChildren="是" unCheckedChildren="否" v-model="routeSwitch"/>
          </a-form-item>

          <a-form-item
            v-show="show"
            :labelCol="labelCol"
            :wrapperCol="wrapperCol"
            label="隐藏路由">
            <a-switch checkedChildren="是" unCheckedChildren="否" v-model="menuHidden"/>
          </a-form-item>

          <a-form-item
            v-show="show"
            :labelCol="labelCol"
            :wrapperCol="wrapperCol"
            label="是否缓存路由">
            <a-switch checkedChildren="是" unCheckedChildren="否" v-model="isKeepalive"/>
          </a-form-item>


          <a-form-item
            v-show="show"
            :labelCol="labelCol"
            :wrapperCol="wrapperCol"
            label="聚合路由">
            <a-switch checkedChildren="是" unCheckedChildren="否" v-model="alwaysShow"/>
          </a-form-item>


        </a-form>

        <!-- 选择图标 -->
        <icons @choose="handleIconChoose" @close="handleIconCancel" :iconChooseVisible="iconChooseVisible"></icons>
      </a-spin>
      <a-row :style="{textAlign:'right'}">
        <a-button :style="{marginRight: '8px'}" @click="handleCancel">
          关闭
        </a-button>
        <a-button :disabled="disableSubmit" @click="handleOk" type="primary">确定</a-button>
      </a-row>
    </div>
  </a-drawer>
</template>

<script>
  import { queryMenuTree, updateMenu, addMenu } from '@/api/menu'
  import Icons from './icon/Icons'
  import pick from 'lodash.pick'

  export default {
    name: 'MenuModal',
    components: { Icons },
    data () {
      return {
        drawerWidth: 700,
        treeData: [],
        treeValue: '0-0-4',
        title: '操作',
        visible: false,
        disableSubmit: false,
        model: {},
        localMenuType: 0,
        alwaysShow: false,//表单元素-聚合路由
        menuHidden: false,//表单元素-隐藏路由
        routeSwitch: true, //是否路由菜单
        isKeepalive: true, //是否缓存路由
        show: true,//根据菜单类型，动态显示隐藏表单元素
        menuLabel: '菜单名称',
        isRequrie: true,  // 是否需要验证
        labelCol: {
          xs: { span: 24 },
          sm: { span: 5 }
        },
        wrapperCol: {
          xs: { span: 24 },
          sm: { span: 16 }
        },

        confirmLoading: false,
        form: this.$form.createForm(this),

        iconChooseVisible: false,
        validateStatus: ''
      }
    },
    computed: {
      validatorRules: function () {
        return {
          name: { rules: [{ required: true, message: '请输入菜单标题!' }] },
          component: { rules: [{ required: this.show, message: '请输入前端组件!' }] },
          path: { rules: [{ required: this.show, message: '请输入菜单路径!' }] },
          sort: { initialValue: 1.0, rules: [{ validator: this.validateNumber }] }
        }
      }
    },
    created () {
      this.initDictConfig()
    },
    methods: {
      loadTree () {
        let that = this
        queryMenuTree().then((res) => {
          if (res.code == 200) {
            that.treeData = res.data
          }
        })
      },
      add () {
        // 默认值
        this.edit({ route: true })
      },
      edit (record) {
        this.resetScreenSize() // 调用此方法,根据屏幕宽度自适应调整抽屉的宽度
        this.form.resetFields()
        this.model = Object.assign({}, record)
        if (record.parentId != null) {
          this.model.parentId = record.parentId+''
        }
        //--------------------------------------------------------------------------------------------------
        console.log('1',this.model)
        this.alwaysShow = !record.alwaysShow ? false : true
        this.menuHidden = !record.hidden ? false : true

        if (record.route != null) {
          this.routeSwitch = record.route ? true : false
        }

        if (record.keepAlive != null) {
          this.isKeepalive = record.keepAlive ? true : false
        } else {
          this.isKeepalive = false
        }

        console.log('record.menuType', record.type);
        this.show = record.type == 2 ? false : true
        this.menuLabel = record.type == 2 ? '按钮/权限' : '菜单名称'

        if(this.model.parentId){
          this.localMenuType = 1;
        }else{
          this.localMenuType = 0;
        }

        this.visible = true
        this.loadTree()
        let fieldsVal = pick(this.model, 'name', 'perms', 'component', 'path', 'sort', 'type')
        this.$nextTick(() => {
          this.form.setFieldsValue(fieldsVal)
        })
      },
      close () {
        this.$emit('close')
        this.disableSubmit = false
        this.visible = false
      },
      handleOk () {
        const that = this
        // 触发表单验证
        this.form.validateFields((err, values) => {
          if (!err) {
            this.model.alwaysShow = this.alwaysShow
            this.model.hidden = this.menuHidden
            this.model.route = this.routeSwitch
            this.model.keepAlive = this.isKeepalive

            let formData = Object.assign(this.model, values)
            if (values.type == 0){
              formData.parentId = 0;
            }
            if ((formData.type == 1 || formData.type == 2) && !formData.parentId) {
              that.validateStatus = 'error'
              that.$message.error('请检查你填的类型以及信息是否正确！')
              return
            } else {
              that.validateStatus = 'success'
            }
            that.confirmLoading = true
            let obj
            if (!this.model.menuId) {
              obj = addMenu(formData)
            } else {
              obj = updateMenu(formData)
            }
            obj.then((res) => {
              if (res.code == 200) {
                that.$message.success(res.msg)
                that.$emit('ok')
              } else {
                that.$message.warning(res.msg)
              }
            }).finally(() => {
              that.confirmLoading = false
              that.close()
            })
          }
        })
      },
      handleCancel () {
        this.close()
      },
      validateNumber (rule, value, callback) {
        if (!value || new RegExp(/^[0-9]*[1-9][0-9]*$/).test(value)) {
          callback()
        } else {
          callback('请输入正整数!')
        }
      },
      onChangeMenuType (e) {
        //console.log('localMenuType checked', e.target.value)
        this.localMenuType = e.target.value
        if (e.target.value == 2) {
          this.show = false
          this.menuLabel = '按钮/权限'
        } else {
          this.show = true
          this.menuLabel = '菜单名称'
        }
        this.$nextTick(() => {
          this.form.validateFields(['url', 'component'], { force: true })
        })
      },
      selectIcons () {
        this.iconChooseVisible = true
      },
      handleIconCancel () {
        this.iconChooseVisible = false
      },
      handleIconChoose (value) {
        console.log(value)
        this.model.icon = value
        this.form.icon = value
        this.iconChooseVisible = false
      },
      // 根据屏幕变化,设置抽屉尺寸
      resetScreenSize () {
        let screenWidth = document.body.clientWidth
        if (screenWidth < 500) {
          this.drawerWidth = screenWidth
        } else {
          this.drawerWidth = 700
        }
      },
      initDictConfig () {
      },
      handleParentIdChange (value) {
        if (!value) {
          this.validateStatus = 'error'
        } else {
          this.validateStatus = 'success'
        }
      }
    }
  }
</script>

<style scoped>

</style>